diff --git a/pages/encrypt.html b/pages/encrypt.html
index ed211f6..dd62751 100644
--- a/pages/encrypt.html
+++ b/pages/encrypt.html
@@ -33,7 +33,7 @@
                     <input type="text" name="wkd" id="wkd" placeholder="name@domain.com">
                     <h3>Public Key (3: HKP server)</h3>
                     <input type="text" name="hkp_server" id="hkp_server" placeholder="https://keys.openpgp.org/">
-                    <input type="text" name="hkp_input" id="hkp_input" placeholder="Email / key id / fingerprint">
+                    <input type="text" name="hkp_input" id="hkp_input" placeholder="Email / key id / fingerprint" value="%UID%">
                     <h3>Result</h3>
                     <textarea name="messageEncrypted" id="messageEncrypted" readonly></textarea>
                     <p id="result"></p>
diff --git a/pages/proofs.html b/pages/proofs.html
index 2f8b629..3c0c26f 100644
--- a/pages/proofs.html
+++ b/pages/proofs.html
@@ -31,7 +31,7 @@
                     <input type="text" name="wkd" id="wkd" placeholder="name@domain.com">
                     <h3>Public Key (3: HKP server)</h3>
                     <input type="text" name="hkp_server" id="hkp_server" placeholder="https://keys.openpgp.org/">
-                    <input type="text" name="hkp_input" id="hkp_input" placeholder="Email / key id / fingerprint">
+                    <input type="text" name="hkp_input" id="hkp_input" placeholder="Email / key id / fingerprint" value="%UID%">
                     <h3>Result</h3>
                     <p id="result">Click on the button below.</p>
                     <p id="resultContent"></p>
diff --git a/pages/verify.html b/pages/verify.html
index 0b0ceb0..efba6bf 100644
--- a/pages/verify.html
+++ b/pages/verify.html
@@ -33,7 +33,7 @@
                     <input type="text" name="wkd" id="wkd" placeholder="name@domain.com">
                     <h3>Public Key (3: HKP server)</h3>
                     <input type="text" name="hkp_server" id="hkp_server" placeholder="https://keys.openpgp.org/">
-                    <input type="text" name="hkp_input" id="hkp_input" placeholder="Email / key id / fingerprint">
+                    <input type="text" name="hkp_input" id="hkp_input" placeholder="Email / key id / fingerprint" value="%UID%">
                     <h3>Result</h3>
                     <p id="result">Click on the button below.</p>
                     <p id="resultContent"></p>